DE3161819D1 - Device for distributing water over a filter filled with granular material, and reuse of the washing water from said filter - Google Patents
Device for distributing water over a filter filled with granular material, and reuse of the washing water from said filterInfo
- Publication number
- DE3161819D1 DE3161819D1 DE8181400324T DE3161819T DE3161819D1 DE 3161819 D1 DE3161819 D1 DE 3161819D1 DE 8181400324 T DE8181400324 T DE 8181400324T DE 3161819 T DE3161819 T DE 3161819T DE 3161819 D1 DE3161819 D1 DE 3161819D1
- Authority
- DE
- Germany
- Prior art keywords
- filter
- reuse
- granular material
- washing water
- filled
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
- B01D24/20—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being provided in an open container
- B01D24/22—Downward filtration, the filter material being supported by pervious surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/38—Feed or discharge devices
- B01D24/44—Feed or discharge devices for discharging filter cake, e.g. chutes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/46—Regenerating the filtering material in the filter
- B01D24/4631—Counter-current flushing, e.g. by air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/48—Overflow systems
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8006665A FR2479011B1 (en) | 1980-03-26 | 1980-03-26 | DEVICE FOR THE DISTRIBUTION OF WATER ON A GRANULAR MATERIAL FILLING FILTER AND THE RECOVERY OF THE WASHING WATER OF SAID FILTER |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3161819D1 true DE3161819D1 (en) | 1984-02-09 |
Family
ID=9240102
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8181400324T Expired DE3161819D1 (en) | 1980-03-26 | 1981-03-03 | Device for distributing water over a filter filled with granular material, and reuse of the washing water from said filter |
Country Status (5)
Country | Link |
---|---|
US (1) | US4338202A (en) |
EP (1) | EP0036793B1 (en) |
DE (1) | DE3161819D1 (en) |
ES (1) | ES267980Y (en) |
FR (1) | FR2479011B1 (en) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3220386C2 (en) * | 1981-06-27 | 1985-11-07 | Wabag Wasserreinigungsbau Alfred Kretzschmar Gmbh & Co Kg, 8650 Kulmbach | Process for operating adsorption filters |
US4479880A (en) * | 1982-04-21 | 1984-10-30 | Permutit-Boby Limited | Method and apparatus for deflecting granular material away from the outlet of a filtration bed |
FR2528324A1 (en) * | 1982-06-14 | 1983-12-16 | Omnium Traitement Valorisation | REACTOR FOR THE INJECTION OF GAS IN A LIQUID |
US4478726A (en) * | 1982-10-26 | 1984-10-23 | Blue Circle Projects (Proprietary) Limited | Particulate filter backwash outlet |
US4537687A (en) * | 1984-06-01 | 1985-08-27 | Infilco Degremont Inc. | Open gravity backwash filter and method |
FR2580515B1 (en) * | 1985-04-19 | 1987-07-17 | Degremont | DEVICE FOR THE RECOVERY OF WATER IN A BED FILTER OF GRANULAR MATERIAL |
DE3711296A1 (en) * | 1987-04-03 | 1988-10-13 | Basf Ag | USE OF ALKOXYLATED CARBOXYL GROUPS OF POLYMERISATS IN DETERGENTS |
US5154824A (en) * | 1991-08-16 | 1992-10-13 | Gierlich-Mitchell, Inc. | Granular media filtration system with improved backwashing |
US5207905A (en) * | 1992-09-25 | 1993-05-04 | The Graver Company | Baffle assembly for air and water backwash of a media filter |
FR2705583B1 (en) * | 1993-05-28 | 1995-08-18 | Degremont | Improvements made to filtering devices for clarifying liquids, especially water. |
US6312611B1 (en) | 1996-07-31 | 2001-11-06 | The F.B. Leopold Co., Inc. | Apparatus for distributing gas and liquid during concurrent gas/liquid backwash in filter underdrain flumes |
FR2879943B1 (en) * | 2004-12-23 | 2007-07-13 | Sources Sa | FLOOR-SUPPORT FOR THE FILTRATION OF WASTEWATER AND TREATMENT CELLS COMPRISING SUCH A FLOOR-SUPPORT |
FR2880549B1 (en) * | 2004-12-29 | 2007-03-16 | Sources Sa | TREATMENT CELL FOR FILTRATION OF WASTEWATER AND HAVING AN ANTI-LOSS DEFECTOR OF MATERIAL |
FR2880550B1 (en) * | 2004-12-29 | 2007-03-16 | Sources Sa | TREATMENT CELL FOR FILTRATION OF WASTEWATER, SUPPLIED BY A TULIP OF ADMISSION |
EP1885468B8 (en) * | 2005-05-17 | 2015-02-18 | Xylem Water Solutions Zelienople, LLC | Apparatus and method for distributing gas and liquid during backwash in filter underdrain flumes using dual separation |
CN103316511B (en) * | 2013-07-08 | 2015-05-20 | 山东金博士环境科技有限公司 | O-shaped filter chamber |
CN113104794B (en) * | 2021-04-15 | 2022-10-18 | 江西山谷春生态农业发展有限公司 | Abelmoschus esculentus oil press with heat dissipation function |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1465968A (en) * | 1920-04-30 | 1923-08-28 | John E Caps | Liquid purifier |
US2559784A (en) * | 1945-05-07 | 1951-07-10 | Moore Richard Pierpont | Back washing filter |
FR1011221A (en) * | 1948-12-29 | 1952-06-20 | Chabal & Cie C | Device for draining the washing water from the filter basins |
FR1064129A (en) * | 1952-10-06 | 1954-05-11 | Trailigaz | Liquid flow closure on threshold at low blade height |
US3613888A (en) * | 1970-04-13 | 1971-10-19 | Contra Costa County Water Dist | Filter-backwashing method |
US4076625A (en) * | 1976-01-16 | 1978-02-28 | General Filter Company | Baffle and wash trough assembly for granular-media filters |
US4118322A (en) * | 1976-05-17 | 1978-10-03 | Hydrotechnic Corporation | Filtering apparatus for liquids |
US4118320A (en) * | 1977-07-20 | 1978-10-03 | Stuart Fred E | Method and apparatus for agitating and scrubbing filter bed |
-
1980
- 1980-03-26 FR FR8006665A patent/FR2479011B1/en not_active Expired
-
1981
- 1981-03-03 EP EP81400324A patent/EP0036793B1/en not_active Expired
- 1981-03-03 DE DE8181400324T patent/DE3161819D1/en not_active Expired
- 1981-03-04 US US06/240,362 patent/US4338202A/en not_active Expired - Lifetime
- 1981-03-25 ES ES1981267980U patent/ES267980Y/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2479011A1 (en) | 1981-10-02 |
EP0036793B1 (en) | 1984-01-04 |
ES267980U (en) | 1983-06-01 |
US4338202A (en) | 1982-07-06 |
ES267980Y (en) | 1983-12-01 |
FR2479011B1 (en) | 1989-06-16 |
EP0036793A1 (en) | 1981-09-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3161819D1 (en) | Device for distributing water over a filter filled with granular material, and reuse of the washing water from said filter | |
JPS57130525A (en) | Filter for granular material | |
DE3172677D1 (en) | Liquid sorbent materials | |
ZA81677B (en) | Liquid distributor | |
GB2072050B (en) | Apparatus for distributing material to be screened | |
EP0143340A3 (en) | Arrangement for the venting of a liquid | |
JPS571056A (en) | Distributor for granular substance | |
JPS578675A (en) | Distributor for liquid | |
PT73142A (en) | Improved apparatus for distributing a liquid in film-form in the inside of vertical-tubes | |
DE3277720D1 (en) | Filter filled with loose granular material | |
EP0055838A3 (en) | Liquid cristalline material containing disazodyes | |
GB2136781B (en) | A liquid container and means for drawing off liquid from the container | |
JPS5742588A (en) | Heat-insulating material for spray filling | |
JPS5745057A (en) | Water absorbing material | |
YU27081A (en) | Device for transporting loose materials,particularly sand,gravel and the like,lying under water | |
JPS57105263A (en) | Distributor for liquid | |
GB2092054B (en) | Container shoring | |
GB2120914B (en) | Granular material spreader | |
GB2013464B (en) | Machine for distributing granular or particulate material | |
JPS57129914A (en) | Drying device for granular material | |
JPS5755885A (en) | Tank lorry | |
GB2078916B (en) | Container for hot granular material | |
GB2094268B (en) | Apparatus for dispensing granular material | |
GB2078209B (en) | Vibratory dispenser for granular or powder material | |
JPS57107283A (en) | Washer for tank |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8328 | Change in the person/name/address of the agent |
Free format text: BETZLER, E., DIPL.-PHYS., 8000 MUENCHEN HERRMANN-TRENTEPOHL, W., DIPL.-ING., 4690 HERNE BOCKHORNI, J., DIPL.-ING., PAT.-ANW., 8000 MUENCHEN |
|
8328 | Change in the person/name/address of the agent |
Free format text: HERRMANN-TRENTEPOHL, W., DIPL.-ING., 4690 HERNE BOCKHORNI, J., DIPL.-ING., PAT.-ANWAELTE, 8000 MUENCHEN |